SomeActivity

 override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        setContentView(R.layout.activity_address_search_manual)

        val address = intent.getSerializableExtra(KEY_BUNDLE_ADDRESS) as Address?

        getPresenter().init(address, intent.getBooleanExtra(KEY_BUNDLE_WAITING_FOR_RESULT, false))

        initViews()
    }

    private fun initViews() {
        // Toolbar
        view_toolbar_text_view_title.text = getString(R.string.activity_address_search_manual_title)
        view_toolbar_button_menu.state = MaterialMenuDrawable.IconState.ARROW
        view_toolbar_button_menu.setOnClickListener { onBackPressed() }

     }

styles.xml

<style name="CustomToolbar">
        <item name="android:layout_width">match_parent</item>
        <item name="android:layout_height">?attr/actionBarSize</item>
        <item name="android:contentInsetStart">0dp</item>
        <item name="contentInsetStart">0dp</item>
    </style>

view_toolbar.xml

<?xml version="1.0" encoding="utf-8"?>
<android.support.design.widget.AppBarLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:background="@color/green">

    <android.support.v7.widget.Toolbar
        android:id="@+id/view_toolbar"
        style="@style/CustomToolbar">


        <com.redmadrobot.material_menu.MaterialMenuView
            android:id="@+id/view_toolbar_button_menu"
            style="@style/BackButton"
            android:background="?selectableItemBackgroundBorderless"
            app:mm_color="@color/white" />

        <com.redmadrobot.core.ui.view.fontview.FontTextView
            android:id="@+id/view_toolbar_text_view_title"
            style="@style/A3"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:lines="1"
            android:ellipsize="end"
            android:layout_gravity="center_vertical"
            android:layout_margin="@dimen/default_margin_half"
            android:text="@string/app_name"
            android:textColor="@color/white" />

    </android.support.v7.widget.Toolbar>

</android.support.design.widget.AppBarLayout>

toolbar с https://github.com/balysv/material-menu